Back in 2000, we said:

...Directing power to the six-spoke shiny wheels is the AutoTrac active transfer case. Buttons engage two-wheel drive, an automatic full-time 4WD, or a part-time mode that locks the center differential. A low range is also available for tractor pulls and descents of high mountains. Towing capacity is 6,500 pounds. On-road handling is typical for a tall truck tipping the scales at 5,500 pounds. The standard IFS/live axle setup from the Tahoe and Yukon is fitted with heavy-duty Bilstein dampers... Read More